34 CCDI TM8100/TM8200 Computer-Controlled Data Interface (CCDI) Protocol Manual
© Tait Electronics Limited April 2007
■ [NMEA_ADDRESS_FIELD] is a five character NMEA address field
such as “GPRMC”.
■ [,] is a delimiter to separate the address field from the radio id. This
should only be added if there are more fields in the message.
■ [RADIO_ID] is the radio ID that the NMEA message is to be returned
to. If not in the message then the message shall be returned to the default
GPS dispatcher.
Examples a120520612345678GPRMC22
This message transmits data message to ID “12345678” and a
request for the next “GPRMC” message to be returned to the
default GPS dispatcher with 100 ms Lead-In Delay through the
current channel.
a1B0520612345678GPGGA,8765432155
transmits data message to ID “12345678” and a request for the
next “GPGGA” message to be returned to the radio
“87654321” with 100 ms Lead-In Delay through the current
channel.